Uncountable Nouns with OS
Browse 2,422 verified English uncountable nouns containing the letters OS, including Cost, Position, Purpose, Loss, Impossible, Possibility and Proposal. Filter these mass nouns and non-count terms for substances and concepts by word length below, or check quantifier and measurement rules in our noun grammar guide.
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Starts with A24 words
atmosphere
aerospace
animosity
apostrophe
aerosol
asbestos
agnosticism
autosave
apoptosis
apostasy
ambrosia
apotheosis
atherosclerosis
acidosis
adipose
adenosine
andros
angostura
apostleship
anosmia
atmos
arteriosclerosis
athos
apposition
Starts with B24 words
boost
blossom
bosnian
bioscience
biosecurity
biosynthesis
bosh
bathos
biostatistics
biosafety
bossiness
bellicosity
bronchoscopy
brucellosis
benthos
boosterism
borosilicate
biosolids
boscage
bioprospecting
bookcrossing
biosolid
bugloss
bronchospasm
Starts with C24 words
cost
closing
composition
chaos
crossing
curiosity
closure
costume
cosmetics
closeness
crossover
cosmos
compost
corrosion
cosplay
composure
cos
costing
crossfire
colonoscopy
cellulose
cosmology
corticosteroid
comoros
Starts with D24 words
diagnosis
disclosure
disposal
disposition
dosage
deposition
diagnostics
defrost
decomposition
dextrose
disposability
dross
dispossession
dosh
diverticulosis
doss
deoxyribose
dosimetry
discomposure
dermatosis
deposal
demoscene
dysprosium
diphosphate
Starts with E24 words
exposure
explosion
erosion
enclosure
exposition
ethos
endoscopy
eros
embossing
explosiveness
eos
endometriosis
endosperm
electroshock
electrostatics
endocytosis
expostulation
exosphere
engrossment
exocytosis
ecchymosis
exosmosis
eosinophilia
eosin
Starts with F24 words
frost
foreclosure
frosting
floss
fibrosis
fructose
foosball
frostbite
formosa
fossilization
furosemide
fluoroscopy
freepost
frostiness
fairyfloss
fucose
fosamax
fluorosis
fibrositis
fosterage
fabulosity
fynbos
flyposting
foscarnet
Starts with G24 words
gospel
gossip
goose
generosity
glucose
gloss
ghosting
gossamer
gnosticism
glyphosate
grandiosity
glasnost
grossness
glucosamine
geoscience
ghostwriting
gnosis
glycosylation
geostrategy
grosgrain
glossiness
glossolalia
geosphere
galactose
Starts with H24 words
hospitality
hosting
hostility
hose
hospice
homosexuality
hospitalization
hypnosis
hosiery
homeostasis
heterosexuality
helios
halitosis
hosing
hoarfrost
homozygosity
histoplasmosis
heterosexism
hydrosphere
hemicellulose
hemochromatosis
heterozygosity
hydrosol
hexose
Starts with I24 words
impossible
ios
impossibility
introspection
imposition
idiosyncrasy
implosion
immunosuppression
infosec
indisposition
interposition
imposture
inositol
impetuosity
inhospitality
incuriosity
isospin
infosphere
ichthyosis
inosine
interposal
imposingness
impossibleness
isostasy
Starts with J7 words
juxtaposition
joss
jocosity
jarosite
josephinite
jostlement
jocoseness
Starts with K19 words
kosher
kudos
kerosene
ketosis
ketoacidosis
kurtosis
kyphosis
kairos
karoshi
keratosis
kenosis
kosi
kabosu
kottabos
keratose
kyllosis
kjelfossen
karyosystematics
kaolinosis
Starts with L24 words
loss
logos
laos
lacrosse
lactose
leprosy
lipgloss
luminosity
liposuction
losartan
looseness
laparoscopy
lossmaking
listeriosis
lostness
langostino
lordosis
loosestrife
lactulose
leptospirosis
laryngoscopy
laryngospasm
leukocytosis
liposculpture
Starts with M24 words
most
moss
mosaic
mimosa
metamorphosis
moscato
monstrosity
motocross
microscopy
macintosh
mononucleosis
microdosing
meiosis
misdiagnosis
mucosa
mitosis
misoprostol
microstructure
microsurgery
moselle
myosin
mosaicism
maltose
myxomatosis
Starts with N24 words
nostalgia
neuroscience
neurosis
nosebleed
neurosurgery
nondisclosure
nosh
necrosis
nanoscale
nitrocellulose
nosiness
narcosis
neurofibromatosis
nanoscience
numerosity
nanocomposite
nomos
nucleosynthesis
nosing
nimbostratus
nitrosamine
nephrosis
nebulosity
neurospora
Starts with O24 words
opposition
osaka
osteoporosis
ostrich
osmosis
oscillation
osteoarthritis
ostracism
ostentation
overexposure
osteopathy
osmium
ossification
overdiagnosis
osmolarity
osteosarcoma
osun
ordos
oshun
osteoid
osteonecrosis
osteomyelitis
organophosphate
osteotomy
Starts with P24 words
post
position
purpose
possibility
proposal
philosophy
possession
prospect
prosecution
prosperity
posting
positivity
prose
posture
prostitution
positioning
postage
prognosis
posh
postpartum
photoshop
psychosis
phosphorus
postponement
Starts with Q
1 words qinghaosu
Starts with R24 words
rosemary
repose
retrospect
reposition
rosewood
repossession
rosacea
rosin
rooibos
religiosity
retrospection
rosewater
rosiness
rehospitalization
ribose
ringtoss
rotoscoping
reposado
rallycross
roshambo
roseola
reexposure
reimposition
rosti
Starts with S24 words
supposition
sclerosis
shitposting
spectroscopy
symbiosis
superposition
slosh
scoliosis
sucrose
smoosh
signposting
stenosis
schistosomiasis
silicosis
supercross
saragossa
sucralose
scrupulosity
sigmoidoscopy
sarcoidosis
salmonellosis
semigloss
somatostatin
steatosis
Starts with T24 words
testosterone
tuberculosis
transposition
taos
thrombosis
tyrosine
tosh
theosophy
triphosphate
thermostability
telos
thermosphere
toxoplasmosis
thermoset
trypanosomiasis
trichinosis
theotokos
technospeak
tournedos
thanatos
tuberosity
tendinosis
thyrotoxicosis
tortuosity
Starts with U24 words
utmost
uttermost
underexposure
underdiagnosis
umeboshi
unscrupulosity
urethroscopy
unctuosity
uroscopy
unostentatiousness
ungenerosity
ureterocystostomy
urinoscopy
unhospitableness
unprosperousness
uranostaphyloplasty
unpossessiveness
ultramicroscopy
ureteropyelostomy
ureterosigmoidostomy
ulosis
unprepossessingness
ureteroenterostomy
urosis
Starts with V24 words
viscosity
virtuosity
verbosity
viscose
vladivostok
vaginosis
vermicompost
vasospasm
varicosity
voluminosity
verboseness
vermicomposting
voluptuosity
vibriosis
vasovasostomy
vinosity
verrucosity
viscosimetry
vitreosity
venosity
villosity
viosterol
virosis
varicosis
Starts with W
1 words winooski
Starts with X16 words
xerostomia
xerosis
xylose
xenoglossia
xanthomatosis
xenoglossy
xiphosura
xenodiagnosis
xiphosuridae
xerosere
xenobiosis
xanthosis
xenosauridae
xenomorphosis
xanthosiderite
xylostroma
Starts with Y3 words
yokosuka
yaroslavl
yersiniosis
Starts with Z19 words
zoonosis
zoster
zhoosh
zygosity
zymosan
zoospermia
zostera
zoobenthos
zygosis
zymosis
zymophosphate
zymosterol
zosteropinae
zoosphere
zooscopy
zoonosology
zoosmosis
zoosis
zoosterol